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import { useState, useEffect } from "react";
import { getGameTitle } from "../utils.ts";
import { useSearchParams } from "react-router-dom";
export interface NewsData {
date: string;
identifier: string;
type: string | null;
timestamp: number;
headline: string | null;
content: string;
url: string | null;
images: Array<{
image: string;
link: string | null;
}>;
en_headline: string | null;
en_content: string | null;
is_ai_summary: boolean | null;
}
interface NewsFeedProps {
newsItems: NewsData[];
}
export const NewsFeed: React.FC<NewsFeedProps> = ({ newsItems }) => {
const [showEnglish, setShowEnglish] = useState<Record<string, boolean>>({});
const [expanded, setExpanded] = useState<Record<string, boolean>>({});
const [currentImageIndex, setCurrentImageIndex] = useState<Record<string, number>>({});
const [loadingImages, setLoadingImages] = useState<Record<string, boolean>>({});
const [searchParams] = useSearchParams();
const isMoe = searchParams.has("moe");
const toggleLanguage = (id: string) => setShowEnglish((prev) => ({ ...prev, [id]: !prev[id] }));
const toggleExpand = (id: string) => setExpanded((prev) => ({ ...prev, [id]: !prev[id] }));
const changeImage = (id: string, i: number) => {
if (currentImageIndex[id] == i)
return
setCurrentImageIndex((p) => ({ ...p, [id]: i }));
setLoadingImages((p) => ({ ...p, [id]: true }));
};
const handleImageLoad = (id: string) => setLoadingImages((p) => ({ ...p, [id]: false }));
const PREVIEW_CHAR_LIMIT = 600;
useEffect(() => {
const initialImageIndex: Record<string, number> = {};
newsItems.forEach((news) => {
const contentHash = news.content.split('').reduce((hash, char) => ((hash << 5) + hash) + char.charCodeAt(0), 5381) >>> 0;
const newsId = `${news.identifier}-${news.timestamp}-${contentHash.toString(16)}-${news.headline}`;
initialImageIndex[newsId] = 0;
});
setCurrentImageIndex(initialImageIndex);
}, [newsItems]);
return (
<div className="max-w-[600px] w-full mx-auto py-8 space-y-4 font-[Zen_Maru_Gothic]">
{newsItems.map((news) => {
const date = new Date(news.timestamp * 1000).toLocaleDateString("ja-JP", { year: "numeric", month: "2-digit", day: "2-digit" });
const contentHash = news.content.split('').reduce((hash, char) => ((hash << 5) + hash) + char.charCodeAt(0), 5381) >>> 0;
const newsId = `${news.identifier}-${news.timestamp}-${contentHash.toString(16)}-${news.headline}`;
const isEnglish = !!showEnglish[newsId];
const hasTranslation = news.en_headline || news.en_content;
const displayHeadline = isEnglish && news.en_headline ? news.en_headline : news.headline;
const displayContent = isEnglish && news.en_content ? news.en_content : news.content;
const isLong = displayContent.length > PREVIEW_CHAR_LIMIT;
const isExpanded = !!expanded[newsId];
const contentToShow = isLong && !isExpanded ? displayContent.slice(0, PREVIEW_CHAR_LIMIT) + "…" : displayContent;
return (
<div key={newsId} className={`${isMoe ? "bg-pink-100 border-pink-300 text-pink-900 font-[Zen_Maru_Gothic]" : "bg-gray-900 border-gray-800 text-white font-sans"} border rounded-lg shadow-lg overflow-hidden`}>
<div className="flex items-center p-3 justify-between">
<div className="flex items-center space-x-3">
<div className={`${isMoe ? "bg-pink-400" : "bg-purple-700"} rounded-full h-8 w-8 flex items-center justify-center text-white text-xs font-bold`}>
{news.identifier.charAt(0)}
</div>
<div className="flex flex-col leading-tight">
<span className="text-sm font-semibold">{getGameTitle(news.identifier)}</span>
<span className="text-xs opacity-80">{date}</span>
{news.type && <span className="text-xs italic">{news.type}</span>}
</div>
</div>
{hasTranslation && (
<button onClick={() => toggleLanguage(newsId)} className={`${isMoe ? "bg-pink-200 hover:bg-pink-300" : "bg-gray-800 hover:bg-gray-700"} text-xs py-1 px-2 rounded`}>
{isEnglish ? "View Original" : "View in English"}
</button>
)}
</div>
<div className="px-3 pt-1 pb-3">
{displayHeadline && <p className="font-semibold text-sm mb-2">{displayHeadline}</p>}
<p className="text-sm whitespace-pre-line mb-2">
{contentToShow.split(/(\[.*?\]\(.*?\)|https?:\/\/[^\s]+)/g).map((part, idx) => {
const m = part.match(/\[(.*?)\]\((.*?)\)/);
const u = part.match(/https?:\/\/[^\s]+/);
if (m) return <a key={idx} href={m[2]} className="text-blue-500 underline" target="_blank">{m[1]}</a>;
if (u) return <a key={idx} href={u[0]} className="text-blue-500 underline" target="_blank">{u[0]}</a>;
return part;
})}
</p>
{isLong && (
<button onClick={() => toggleExpand(newsId)} className="text-sm text-blue-500 hover:underline">
{isExpanded ? "Show less" : "Show more"}
</button>
)}
</div>
{/* AI Disclaimer */}
{news.is_ai_summary && (
<div className={`${isMoe ? "bg-pink-200 text-pink-800" : "bg-gray-800 text-white"} px-3 py-2 text-xs text-center`}>
The information above is written by AI / 上記の情報はAIによって生成されました。
</div>
)}
{/* Machine TL Disclaimer */}
{hasTranslation && isEnglish && (
<div className={`${isMoe ? "bg-pink-200 text-pink-800" : "bg-gray-800 text-white"} px-3 py-2 text-xs text-center`}>
This text above is machine translated and may contain accuracies
</div>
)}
{/* Images */}
{news.images.length > 0 && (
<div className="w-full">
{(() => {
const idx = currentImageIndex[newsId] || 0;
const img = news.images[idx];
return (
<div className="relative">
{loadingImages[newsId] && (
<div className="absolute inset-0 flex items-center justify-center bg-black bg-opacity-50">
<div className="loader border-t-2 border-b-2 border-white w-6 h-6 rounded-full animate-spin" />
</div>
)}
<img
src={img.image}
alt="news visual"
className={`w-full object-cover py-2 ${loadingImages[newsId] ? "opacity-0" : "opacity-100"}`}
onLoad={() => handleImageLoad(newsId)}
/>
</div>
);
})()}
{news.images.length > 1 && (
<div className="pb-3 overflow-x-auto px-3">
<div className="flex space-x-2 w-max mx-auto">
{news.images.map((_, idx) => (
<button
key={idx}
onClick={() => changeImage(newsId, idx)}
className={`w-9 h-9 flex-shrink-0 rounded-sm flex items-center justify-center ${
currentImageIndex[newsId] === idx
? isMoe ? "bg-pink-500 text-white" : "bg-blue-600 text-white"
: isMoe ? "bg-pink-200 text-pink-800 hover:bg-pink-300" : "bg-gray-700 text-gray-300 hover:bg-gray-600"
}`}
>
{idx + 1}
</button>
))}
</div>
</div>
)}
</div>
)}
{news.url && (
<div className={`${isMoe ? "bg-pink-200" : "bg-gray-800"} px-3 py-2 text-center`}>
<a href={news.url} target="_blank" rel="noopener noreferrer" className="text-sm underline font-bold">
READ MORE
</a>
</div>
)}
</div>
);
})}
</div>
);
};
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